#define admin_side()
<div class="layui-side layui-bg-black">
    <div class="layui-side-scroll">

        <ul class="layui-nav layui-nav-tree site-demo-nav">

            <li class="layui-nav-item layui-nav-itemed">
                <a class="javascript:;" href="javascript:;">Blog</a>
                <dl class="layui-nav-child">
                    <dd class="">
                        <a href="/blog">博客管理</a>
                    </dd>
                    <dd class="">
                        <a href="/blog/add">新增博客</a>
                    </dd>
                </dl>
            </li>

            <li class="layui-nav-item layui-nav-itemed">
                <a class="javascript:;" href="javascript:;">User</a>
                <dl class="layui-nav-child">
                    <dd class="">
                        <a href="/user">用户管理</a>
                    </dd>
                    <dd class="">
                        <a href="/user/add">新增用户</a>
                    </dd>
                </dl>
            </li>

            <li class="layui-nav-item layui-nav-itemed">
                <a class="javascript:;" href="javascript:;">File</a>
                <dl class="layui-nav-child">
                    <dd class="">
                        <a href="/file">文件管理</a>
                    </dd>
                    <dd class="">
                        <a href="/file/img">图片管理</a>
                    </dd>
                </dl>
            </li>
        </ul>

    </div>
</div>
#end